Patents by Inventor Keitaroh Hayashi

Keitaroh Hayashi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Engine output drive arrangement
    Patent number: 5259347
    Abstract: Two embodiments of compact engine assemblies wherein the engine output shaft drives a driveshaft to which a flywheel is affixed. The flywheel is positioned closely adjacent one end of the engine output shaft and the engine output shaft drives the driveshaft by a gear drive that is positioned between the end main bearing of the engine output shaft and the first adjacent intermediate main bearing for limiting torsional stresses on the driveshaft.
    Type: Grant
    Filed: June 17, 1992
    Date of Patent: November 9, 1993
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Manabu Kobayashi, Keitaroh Hayashi